Home / 14,464.20-19,970.94-11,281.06

Finding the Fourth Proportional to 14,464.20, 19,970.94 and 11,281.06

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Solution

The fourth proportional to 14,464.20, 19,970.94 and 11,281.06 is: 15,575.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,464.20 : 19,970.94 = 11,281.06 : x
  2. Step 2: Convert to fraction form
    14,464.20/19,970.94 = 11,281.06/x
  3. Step 3: Cross multiply
    14,464.20x = 19,970.94 × 11,281.06
  4. Step 4: Simplify right side
    14,464.20x = 225,293,272.54
  5. Step 5: Solve for x
    x = 225,293,272.54/14,464.20
  6. Step 6: Final answer
    x = 15,575.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.